*{
	margin: 0;
	padding: 0;
}
.header{
	width: 100%;
	height: 40px;
	background-color: black;
}
/* 复合选择器 */
.header .centerbox{
	width: 1444px;
	height: 100%;
	background-color: aliceblue;
	line-height: 40px;
	float: right;
	text-align: center;
	font-size: 12px;
	margin: auto;
}
.header .centerbox .leftbox{
	width: 765px;
	height: 100%;
	background-color: antiquewhite;
	float: left;
	line-height: 40px;
	text-align: center;
	font-size: 12px;
	margin: auto;
	
}
.header .centerbox .rightbox{
	width: 240px;
	height: 100%;
	background-color: antiquewhite;
	float: right;
	text-align: center;
	font-size: 12px;
	margin: auto;
}
.menubox{
	width: 1200px;
	height: 60px;
	background-color: #FAEBD7;
	margin: 15px auto;
}
.menubox .logobox{
	width: 80px;
	height: 100%;
	background-color: aquamarine;
	float: left;
	overflow: hidden;
}
.menubox .ljbox{
	width: 600px;
	height: 100%;
	background-color:lavenderblush;
	text-align: center;
	font-size: 12px;
	margin: auto;
	float: none;
}
.menubox .inputbox{
	width: 120px;
	height: 100%;
	background-color: cadetblue;
	float: right;
	margin-top: -60px;
}
.use-input{
	width: 115px;
	height: 34px;
	border: 2px solid powderblue;
	border-radius: 5px;
	box-sizing: content-box;
	outline: none;
	text-indent: 10px;
}
.user.btn{
	width: 50px;
	height: 40px;
	border: none;
	border-radius: 5px;
	background: #000000;
	vertical-align: middle;
	outline: none;
	color: white;
	font-size: 20px;
}




.adbox{
	width: 1200px;
	height: 480px;
	background-color: #FAEBD7;
	margin: auto;
}
.adbox .libox{
	width: 20%;
	height: 100%;
	background-color: aliceblue;
	float: left;
	text-align: center;
	font-size: 17px;
	margin: auto;
}
.adbox .lbbox{
	width: 80%;
	height: 100%;
	background-color: aquamarine;
	float: right;
}
.bigbox{
	width: 1200px;
	height: 200px;
	background-color: #FAEBD7;
	margin: 15px auto;
}
.bigbox .box{
	width: 275px;
	height: 100%;
	background-color: #89FF4A;
	float: left;
	margin-right: 33px;
}
.bigbox .rbox{
	margin-right: 0;
}
.ad{
	display: block;
	width: 1200px;
	height: 70px;
	background-color: #5F9EA0;
	margin: auto;
}
.sjbox{
	width: 1200px;
	height: 650px;
	background-color: #7FFFD4;
	margin: 15px auto;
}
.sjbox .firstbox{
	width: 100%;
	height: 50px;
	background-color: #F0F8FF;
}

.sjbox .secbox{
	width: 100%;
	height: 600px;
	background-color: #FAEBD7;
	
}
.secbox .tubox{
	width: 20%;
	height: 100%;
	background-color: #7FFFD4;
	float: left;
}
.secbox .showbox{
	width: 80%;
	height: 100%;
	background-color: azure;
	float: right;
}
.secbox .showbox .topbox{
	width: 100%;
	height: 49%;
	background-color:lightgray;
	margin-bottom: 11px;
}
.secbox .showbox .bottbox{
	width: 100%;
	height: 49%;
	background-color: lightgray;
}
.showbox .box{
	width: 220px;
	height: 100%;
	background-color: skyblue;
	float: left;
	margin-right: 26px;
}
.showbox .rbox{
	margin-right: 0;
}
